Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (3) Fluid (1) (-) Serum or Plasma (2) Urine (1) Test Area Therapeutics (2) Test Category Analgesics (5) Antidepressants (1) Antidiabetics (1) Antiemetics (2) Antiepileptics/Antiseizures (1) Antihypertensives (2) Antimicrobials (2) Antipsychotics (1) Carbonic Anhydrase Inhibitors (1) Hallucinogens (2) Immunosuppressants (2) (-) Muscle Relaxants (2) NMDA Antagonists (1) NPS/Designer Drugs (1) Sedative/Hypnotics (2) Stimulants (3) Test Sub-Category Other (2) Test Test Name 2720SP Metaxalone, Serum/Plasma 2900SP Methocarbamol, Serum/Plasma